#4 Jerry Jones

AP

Net worth: $2.7 billion

Jerry Jones has been the owner of the Dallas Cowboys since 1989. The Cowboys are the most valuable sports team in the United States worth $2.1 billion. After making a fortune in the 1970's in natural gas, Jones bought the cowboys for just $150 million in 1989.

#6 Stephen Bisciotti

Elsa/Getty Images

Net worth: $1.8 billion

Stephen Bisciotti owns the Baltimore Ravens, he bought controlling interest of the football team in 2004. Bisciotti made his fortune founding an engineering staffing firm called Aerotek, now called Allegis Group.